“Evolution is a theory, and it’s a theory that you can test. We’ve tested evolution in many ways. You can’t present good evidence that says evolution is not a fact.”

The US Navy has several people on every ship that can navigate by the stars. They don’t fool with that.

I stand by my assertions that although you can know what happens to any individual species that you modify, you cannot be certain what will happen to the ecosystem.

NASA is an engine of innovation and inspiration as well as the world’s premier space exploration agency, and we are well served by politicians working to keep it that way, instead of turning it into a mere jobs program, or worse, cutting its budget.

Without an end to the burning of fossil fuels, coal especially, most of us will live shorter lives. I’m hopeful, but very, very concerned.

Tax dollars intended for science education must not be used to teach creationism as any sort of real explanation of nature, because any observation or process of inference about our origin and the nature of the universe disproves creationism in every respect.

My father was a very good Boy Scout. He was very skilled with knots, and he showed me how to tie a bow tie.

If you just take a single human and put him or her in the forest he or she might not do very well without some sort of education which he got or she got from some tribe.

When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It’s like time travel problems in science fiction. When is now; when was then?

Winter lingered so long in the lap of Spring that it occasioned a great deal of talk.

Our goal in science is to discover universal laws of nature. That pursuit fills me with wonder.

The strange thing about grinding that might surprise many people is that you can grind things and shape them using materials that are generally somewhat softer than the thing you’re grinding and shaping.

The most serious problem facing humankind is climate change. All of these people breathing and burning our atmosphere has led to an extraordinarily dangerous situation.

It fills me with joy to know that we can pursue these answers. It is an astonishing thing that we are — you and I are one of the ways the universe knows itself.

Unlike science, creationism cannot predict anything, and it cannot provide satisfactory answers about the past.

People get a lot out of being religious. They have strong senses of community and mutual support. So, what’s not to love [there]?

Think how fortunate we are to know this much. But think also of all that’s yet to be discovered. Here’s hoping the deep answers to the deep questions-from the nature of consciousness to the origin of life-will be found in not too much more time.

We evolved the ability to communicate disappointment to teach those around us good manners

Thou hast evoked in me profounder spells than the evoking one, thou face! For me, thou hast uncovered one infinite, dumb, beseeching countenance of mystery, underlying all the surfaces of visible time and space.

In every century, there are a handful of writers who help the human race to evolve. Andrea is one of them.

The feminist revolution had to be fought because women quite simply were stopped at a state of evolution far short of their human capacity.

I never leave anything behind. It’s like a history, a chain, a line of life, you just have to move and make new steps, and keep it evolving – but my soul is my soul.

I think if you’re not trying to change things a little bit, you’re not evolving.

Love is ever evolving and it takes compromise, work and patience.

The acting style that has emerged from HD, because of the contrast and how sharp the picture is, it’s more neutrally played. The main character is very minamalistic. That’s what works in this digital age.